/*
 * Copyright (C) 2004 NNL Technology AB
 * Visit www.infonode.net for information about InfoNode(R) 
 * products and how to contact NNL Technology AB.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, 
 * MA 02111-1307, USA.
 */

// $Id: TabbedPanelContentPanel.java,v 1.60 2009/02/05 15:57:55 jesper Exp $
package net.infonode.tabbedpanel;

import net.infonode.gui.ComponentPaintChecker;
import net.infonode.gui.draggable.DraggableComponentBoxAdapter;
import net.infonode.gui.draggable.DraggableComponentBoxEvent;
import net.infonode.gui.draggable.DraggableComponentEvent;
import net.infonode.gui.hover.HoverListener;
import net.infonode.gui.hover.panel.HoverableShapedPanel;
import net.infonode.gui.panel.BaseContainer;
import net.infonode.gui.panel.BaseContainerUtil;
import net.infonode.properties.gui.InternalPropertiesUtil;
import net.infonode.properties.propertymap.PropertyMapTreeListener;
import net.infonode.properties.propertymap.PropertyMapWeakListenerManager;
import net.infonode.tabbedpanel.internal.TabbedHoverUtil;
import net.infonode.util.Direction;
import net.infonode.util.ValueChange;

import javax.swing.*;
import java.awt.*;
import java.awt.event.MouseEvent;
import java.util.ArrayList;
import java.util.Map;

/**
 * A TabbedPanelContentPanel is a component that holds a container for tab content components. It can be configured using properties that specifies the look for
 * the content panel.
 *
 * @author $Author: jesper $
 * @version $Revision: 1.60 $
 * @see TabbedPanel
 * @see Tab
 */
public class TabbedPanelContentPanel extends BaseContainer {
	private final TabbedPanel tabbedPanel;
	private final HoverableShapedPanel shapedPanel;
	private transient final ComponentPaintChecker repaintChecker;

	private transient final PropertyMapTreeListener propertiesListener = new SetPropertyMapTreeListener();

	/**
	 * Constructs a TabbedPanelContentPanel
	 *
	 * @param tabbedPanel the TabbedPanel that this content panel should be the content area component for
	 * @param component a component used as container for the tabs' content components
	 */
	public TabbedPanelContentPanel(final TabbedPanel tabbedPanel, JComponent component) {
		super(new BorderLayout());
		this.tabbedPanel = tabbedPanel;

		shapedPanel = new HoverableShapedPanel(new BorderLayout(), tabbedPanel.getProperties().getContentPanelProperties().getHoverListener(), tabbedPanel) {
			@Override
			public boolean acceptHover(ArrayList enterableHoverables) {
				return TabbedHoverUtil.acceptTabbedPanelHover(getTabbedPanel().getProperties().getHoverPolicy(), enterableHoverables, getTabbedPanel(), this);
			}

			@Override
			protected void processMouseEvent(MouseEvent event) {
				super.processMouseEvent(event);
				if (getTabbedPanel().hasContentArea())
					getTabbedPanel().doProcessMouseEvent(event);
				else
					doProcessMouseEvent(SwingUtilities.convertMouseEvent(this, event, TabbedPanelContentPanel.this));
			}

			@Override
			protected void processMouseMotionEvent(MouseEvent event) {
				super.processMouseMotionEvent(event);

				if (getTabbedPanel().hasContentArea())
					getTabbedPanel().doProcessMouseMotionEvent(event);
				else
					doProcessMouseMotionEvent(SwingUtilities.convertMouseEvent(this, event, TabbedPanelContentPanel.this));
			}
		};

		repaintChecker = new ComponentPaintChecker(shapedPanel);

		shapedPanel.add(component, BorderLayout.CENTER);
		add(shapedPanel, BorderLayout.CENTER);
		update();

		PropertyMapWeakListenerManager.addWeakTreeListener(tabbedPanel.getProperties().getMap(), propertiesListener);

		tabbedPanel.getDraggableComponentBox().addListener(new DraggableComponentBoxAdapter() {
			@Override
			public void changed(DraggableComponentBoxEvent event) {
				if (event.getDraggableComponent() == null || event.getDraggableComponentEvent().getType() == DraggableComponentEvent.TYPE_UNDEFINED) {
					repaintBorder();
				}
			}
		});

		tabbedPanel.addTabListener(new SetTabAdapter());
	}

	/**
	 * Gets the tabbed panel that this component is the content area component for
	 *
	 * @return the tabbed panel
	 */
	public TabbedPanel getTabbedPanel() {
		return tabbedPanel;
	}

	/**
	 * Gets the properties for this component
	 *
	 * @return the properties for this TabbedPanelContentPanel
	 */
	public TabbedPanelContentPanelProperties getProperties() {
		return tabbedPanel.getProperties().getContentPanelProperties();
	}

	private void update() {
		getProperties().getComponentProperties().applyTo(shapedPanel);
		InternalPropertiesUtil
				.applyTo(getProperties().getShapedPanelProperties(), shapedPanel, tabbedPanel.getProperties().getTabAreaOrientation().getNextCW());
		BaseContainerUtil.setForcedOpaque(this, getProperties().getShapedPanelProperties().getOpaque());
	}

	private void repaintBorder() {
		if (repaintChecker.isPaintingOk()) {
			final Rectangle r;

			Direction d = tabbedPanel.getProperties().getTabAreaOrientation();

			if (d == Direction.UP)
				r = new Rectangle(0, 0, shapedPanel.getWidth(), shapedPanel.getInsets().top);
			else if (d == Direction.LEFT)
				r = new Rectangle(0, 0, shapedPanel.getInsets().left, shapedPanel.getHeight());
			else if (d == Direction.DOWN)
				r = new Rectangle(0, shapedPanel.getHeight() - shapedPanel.getInsets().bottom - 1, shapedPanel.getWidth(), shapedPanel.getHeight());
			else
				r = new Rectangle(shapedPanel.getWidth() - shapedPanel.getInsets().right - 1, 0, shapedPanel.getWidth(), shapedPanel.getHeight());

			shapedPanel.repaint(r);
		}
	}

	private void doProcessMouseEvent(MouseEvent event) {
		processMouseEvent(event);
	}

	private void doProcessMouseMotionEvent(MouseEvent event) {
		processMouseMotionEvent(event);
	}

	class SetTabAdapter extends TabAdapter {

		@Override
		public void tabAdded(TabEvent event) {
			repaintBorder();
		}

		@Override
		public void tabRemoved(TabRemovedEvent event) {
			repaintBorder();
		}

		@Override
		public void tabSelected(TabStateChangedEvent event) {
			repaintBorder();
		}

		@Override
		public void tabDeselected(TabStateChangedEvent event) {
			repaintBorder();
		}

		@Override
		public void tabDehighlighted(TabStateChangedEvent event) {
			repaintBorder();
		}

		@Override
		public void tabHighlighted(TabStateChangedEvent event) {
			repaintBorder();
		}

		@Override
		public void tabMoved(TabEvent event) {
			repaintBorder();
		}

	}

	class SetPropertyMapTreeListener implements PropertyMapTreeListener {

		@Override
		public void propertyValuesChanged(Map changes) {
			Map m = (Map) changes.get(tabbedPanel.getProperties().getContentPanelProperties().getMap());
			if (m != null && m.keySet().contains(TabbedPanelContentPanelProperties.HOVER_LISTENER)) {
				shapedPanel.setHoverListener((HoverListener) ((ValueChange) m.get(TabbedPanelContentPanelProperties.HOVER_LISTENER)).getNewValue());
			}

			m = (Map) changes.get(tabbedPanel.getProperties().getContentPanelProperties().getComponentProperties().getMap());
			if (m != null)
				update();

			m = (Map) changes.get(tabbedPanel.getProperties().getContentPanelProperties().getShapedPanelProperties().getMap());
			if (m != null)
				update();

			m = (Map) changes.get(tabbedPanel.getProperties().getMap());
			if (m != null && m.keySet().contains(TabbedPanelProperties.TAB_AREA_ORIENTATION)) {
				shapedPanel.setDirection(((Direction) ((ValueChange) m.get(TabbedPanelProperties.TAB_AREA_ORIENTATION)).getNewValue()).getNextCW());
			}
		}

	}
}
